diff --git a/.github/test-spec.yml b/.github/test-spec.yml
index 04a226f23d24..bacf3cf4db26 100644
--- a/.github/test-spec.yml
+++ b/.github/test-spec.yml
@@ -581,7 +581,7 @@
   - "tests/subsys/suit/**/*"
 
 "CI-test-low-level":
-  - "applications/sw_io_devices/**/*"
+  - "applications/sdp/**/*"
   - "drivers/gpio/**/*"
   - "dts/bindings/gpio/**/*"
   - "include/drivers/gpio/**/*"
diff --git a/CODEOWNERS b/CODEOWNERS
index a841ea278a70..522573196d6d 100644
--- a/CODEOWNERS
+++ b/CODEOWNERS
@@ -34,9 +34,9 @@
 /applications/matter_weather_station/     @nrfconnect/ncs-matter
 /applications/nrf5340_audio/              @nrfconnect/ncs-audio
 /applications/nrf_desktop/                @nrfconnect/ncs-si-bluebagel
+/applications/sdp/                        @masz-nordic
 /applications/serial_lte_modem/           @nrfconnect/ncs-co-networking @nrfconnect/ncs-iot-oulu
 /applications/serial_lte_modem/src/lwm2m_carrier/ @nrfconnect/ncs-carrier
-/applications/sw_io_devices/              @masz-nordic
 /applications/zigbee_weather_station/     @milewr
 /applications/**/*.rst                    @nrfconnect/ncs-doc-owners
 
diff --git a/applications/sw_io_devices/gpio/CMakeLists.txt b/applications/sdp/gpio/CMakeLists.txt
similarity index 60%
rename from applications/sw_io_devices/gpio/CMakeLists.txt
rename to applications/sdp/gpio/CMakeLists.txt
index 61a0cf2816ea..5a428c69b31e 100644
--- a/applications/sw_io_devices/gpio/CMakeLists.txt
+++ b/applications/sdp/gpio/CMakeLists.txt
@@ -9,4 +9,6 @@ cmake_minimum_required(VERSION 3.20.0)
 find_package(Zephyr REQUIRED HINTS $ENV{ZEPHYR_BASE})
 project(emulated_gpio)
 
+target_sources_ifdef(CONFIG_GPIO_NRFE_EGPIO_BACKEND_ICMSG app PRIVATE src/nrfe_icmsg.c)
+target_sources_ifdef(CONFIG_GPIO_NRFE_EGPIO_BACKEND_MBOX app PRIVATE  src/nrfe_mbox.c)
 target_sources(app PRIVATE src/main.c)
diff --git a/applications/sw_io_devices/gpio/boards/nrf54l15dk_nrf54l15_cpuflpr.conf b/applications/sdp/gpio/boards/nrf54l15dk_nrf54l15_cpuflpr.conf
similarity index 100%
rename from applications/sw_io_devices/gpio/boards/nrf54l15dk_nrf54l15_cpuflpr.conf
rename to applications/sdp/gpio/boards/nrf54l15dk_nrf54l15_cpuflpr.conf
diff --git a/applications/sw_io_devices/gpio/boards/nrf54l15dk_nrf54l15_cpuflpr.overlay b/applications/sdp/gpio/boards/nrf54l15dk_nrf54l15_cpuflpr.overlay
similarity index 76%
rename from applications/sw_io_devices/gpio/boards/nrf54l15dk_nrf54l15_cpuflpr.overlay
rename to applications/sdp/gpio/boards/nrf54l15dk_nrf54l15_cpuflpr.overlay
index 527705970859..80ecba58376d 100644
--- a/applications/sw_io_devices/gpio/boards/nrf54l15dk_nrf54l15_cpuflpr.overlay
+++ b/applications/sdp/gpio/boards/nrf54l15dk_nrf54l15_cpuflpr.overlay
@@ -19,17 +19,6 @@
 			};
 		};
 	};
-
-	ipc {
-		ipc0: ipc0 {
-			compatible = "zephyr,ipc-icmsg";
-			tx-region = <&sram_tx>;
-			rx-region = <&sram_rx>;
-			mboxes = <&cpuflpr_vevif_rx 16>, <&cpuflpr_vevif_tx 15>;
-			mbox-names = "rx", "tx";
-			status = "okay";
-		};
-	};
 };
 
 &cpuflpr_vevif_rx {
diff --git a/applications/sdp/gpio/boards/nrf54l15dk_nrf54l15_cpuflpr_icmsg.overlay b/applications/sdp/gpio/boards/nrf54l15dk_nrf54l15_cpuflpr_icmsg.overlay
new file mode 100644
index 000000000000..002cf9b3aded
--- /dev/null
+++ b/applications/sdp/gpio/boards/nrf54l15dk_nrf54l15_cpuflpr_icmsg.overlay
@@ -0,0 +1,18 @@
+/*
+ * Copyright (c) 2024 Nordic Semiconductor ASA
+ *
+ * SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+ */
+
+/ {
+	ipc {
+		ipc0: ipc0 {
+			compatible = "zephyr,ipc-icmsg";
+			tx-region = <&sram_tx>;
+			rx-region = <&sram_rx>;
+			mboxes = <&cpuflpr_vevif_rx 21>, <&cpuflpr_vevif_tx 20>;
+			mbox-names = "rx", "tx";
+			status = "okay";
+		};
+	};
+};
diff --git a/applications/sdp/gpio/boards/nrf54l15dk_nrf54l15_cpuflpr_mbox.overlay b/applications/sdp/gpio/boards/nrf54l15dk_nrf54l15_cpuflpr_mbox.overlay
new file mode 100644
index 000000000000..57534433d353
--- /dev/null
+++ b/applications/sdp/gpio/boards/nrf54l15dk_nrf54l15_cpuflpr_mbox.overlay
@@ -0,0 +1,13 @@
+/*
+ * Copyright (c) 2024 Nordic Semiconductor ASA
+ *
+ * SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+ */
+
+/ {
+	mbox_consumer: mbox_consumer {
+		compatible = "vnd,mbox-consumer";
+		mboxes = <&cpuflpr_vevif_rx 21>, <&cpuflpr_vevif_tx 20>;
+		mbox-names = "rx", "tx";
+	};
+};
diff --git a/applications/sdp/gpio/include/main.h b/applications/sdp/gpio/include/main.h
new file mode 100644
index 000000000000..e0a0e0cf0c35
--- /dev/null
+++ b/applications/sdp/gpio/include/main.h
@@ -0,0 +1,20 @@
+/*
+ * Copyright (c) 2024 Nordic Semiconductor ASA
+ *
+ * SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+ */
+
+#ifndef MAIN_H__
+#define MAIN_H__
+
+#include <zephyr/kernel.h>
+#include <drivers/gpio/nrfe_gpio.h>
+
+#if !defined(CONFIG_GPIO_NRFE_EGPIO_BACKEND_ICMSG) && !defined(CONFIG_GPIO_NRFE_EGPIO_BACKEND_MBOX)
+#error "Define communication backend type"
+#endif
+
+void process_packet(nrfe_gpio_data_packet_t *packet);
+int backend_init(void);
+
+#endif /* MAIN_H__ */
diff --git a/applications/sdp/gpio/prj.conf b/applications/sdp/gpio/prj.conf
new file mode 100644
index 000000000000..79f89305ca0d
--- /dev/null
+++ b/applications/sdp/gpio/prj.conf
@@ -0,0 +1 @@
+CONFIG_MBOX=y
diff --git a/applications/sdp/gpio/sample.yaml b/applications/sdp/gpio/sample.yaml
new file mode 100644
index 000000000000..05eaef699158
--- /dev/null
+++ b/applications/sdp/gpio/sample.yaml
@@ -0,0 +1,28 @@
+sample:
+  name: eGPIO application
+  description: SW-defined GPIO application
+common:
+  integration_platforms:
+    - nrf54l15dk/nrf54l15/cpuflpr
+tests:
+  applications.sdp.egpio_mbox:
+    build_only: true
+    sysbuild: true
+    platform_allow: nrf54l15dk/nrf54l15/cpuflpr
+    tags: ci_build sysbuild gpio
+    extra_args:
+      EXTRA_DTC_OVERLAY_FILE="./boards/nrf54l15dk_nrf54l15_cpuflpr_mbox.overlay"
+    extra_configs:
+      - CONFIG_GPIO_NRFE_EGPIO_BACKEND_MBOX=y
+
+  applications.sdp.egpio_icmsg:
+    build_only: true
+    sysbuild: true
+    platform_allow: nrf54l15dk/nrf54l15/cpuflpr
+    tags: ci_build sysbuild gpio
+    extra_args:
+      EXTRA_DTC_OVERLAY_FILE="./boards/nrf54l15dk_nrf54l15_cpuflpr_icmsg.overlay"
+    extra_configs:
+      - CONFIG_GPIO_NRFE_EGPIO_BACKEND_ICMSG=y
+      - CONFIG_IPC_SERVICE=y
+      - CONFIG_IPC_SERVICE_BACKEND_ICMSG=y
diff --git a/applications/sw_io_devices/gpio/src/main.c b/applications/sdp/gpio/src/main.c
similarity index 78%
rename from applications/sw_io_devices/gpio/src/main.c
rename to applications/sdp/gpio/src/main.c
index 0ab0b7d83268..fc31686ae2df 100644
--- a/applications/sw_io_devices/gpio/src/main.c
+++ b/applications/sdp/gpio/src/main.c
@@ -4,25 +4,14 @@
  * SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
  */
 
+#include "../include/main.h"
+
 #include <zephyr/drivers/gpio.h>
 #include <zephyr/dt-bindings/gpio/nordic-nrf-gpio.h>
-#include <zephyr/ipc/ipc_service.h>
-
-#include <drivers/gpio/nrfe_gpio.h>
-
 #include <hal/nrf_vpr_csr.h>
 #include <hal/nrf_vpr_csr_vio.h>
 #include <haly/nrfy_gpio.h>
 
-static struct ipc_ept ep;
-
-volatile uint32_t bound_sem = 1;
-
-static void ep_bound(void *priv)
-{
-	bound_sem = 0;
-}
-
 static nrf_gpio_pin_pull_t get_pull(gpio_flags_t flags)
 {
 	if (flags & GPIO_PULL_UP) {
@@ -122,10 +111,8 @@ static void gpio_nrfe_port_toggle_bits(uint16_t toggle_mask)
 	nrf_vpr_csr_vio_out_toggle_set(toggle_mask);
 }
 
-static void ep_recv(const void *data, size_t len, void *priv)
+void process_packet(nrfe_gpio_data_packet_t *packet)
 {
-	nrfe_gpio_data_packet_t *packet = (nrfe_gpio_data_packet_t *)data;
-
 	if (packet->port != 2) {
 		return;
 	}
@@ -153,42 +140,15 @@ static void ep_recv(const void *data, size_t len, void *priv)
 	}
 }
 
-static struct ipc_ept_cfg ep_cfg = {
-	.cb = {
-		.bound = ep_bound,
-		.received = ep_recv,
-	},
-};
-
 int main(void)
 {
-	int ret;
-	const struct device *ipc0_instance;
-	volatile uint32_t delay = 0;
-
-#if !defined(CONFIG_SYS_CLOCK_EXISTS)
-	/* Wait a little bit for IPC service to be ready on APP side */
-	while (delay < 1000) {
-		delay++;
-	}
-#endif
-
-	ipc0_instance = DEVICE_DT_GET(DT_NODELABEL(ipc0));
+	int ret = 0;
 
-	ret = ipc_service_open_instance(ipc0_instance);
-	if ((ret < 0) && (ret != -EALREADY)) {
-		return ret;
-	}
-
-	ret = ipc_service_register_endpoint(ipc0_instance, &ep, &ep_cfg);
+	ret = backend_init();
 	if (ret < 0) {
-		return ret;
+		return 0;
 	}
 
-	/* Wait for endpoint to be bound */
-	while (bound_sem != 0) {
-	};
-
 	if (!nrf_vpr_csr_rtperiph_enable_check()) {
 		nrf_vpr_csr_rtperiph_enable_set(true);
 	}
diff --git a/applications/sdp/gpio/src/nrfe_icmsg.c b/applications/sdp/gpio/src/nrfe_icmsg.c
new file mode 100644
index 000000000000..64d7478bd99f
--- /dev/null
+++ b/applications/sdp/gpio/src/nrfe_icmsg.c
@@ -0,0 +1,64 @@
+/*
+ * Copyright (c) 2024 Nordic Semiconductor ASA
+ *
+ * SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+ */
+
+#include "../include/main.h"
+#include <zephyr/ipc/ipc_service.h>
+
+static struct ipc_ept ep;
+
+volatile uint32_t bound_sem = 1;
+
+static void ep_bound(void *priv)
+{
+	bound_sem = 0;
+}
+
+static void ep_recv(const void *data, size_t len, void *priv)
+{
+	(void)len;
+	(void)priv;
+
+	process_packet((nrfe_gpio_data_packet_t *)data);
+}
+
+static struct ipc_ept_cfg ep_cfg = {
+	.cb = {
+		.bound = ep_bound,
+		.received = ep_recv,
+	},
+};
+
+int backend_init(void)
+{
+	int ret = 0;
+	const struct device *ipc0_instance;
+	volatile uint32_t delay = 0;
+
+#if !defined(CONFIG_SYS_CLOCK_EXISTS)
+	/* Wait a little bit for IPC service to be ready on APP side */
+	while (delay < 1000) {
+		delay++;
+	}
+#endif
+
+	ipc0_instance = DEVICE_DT_GET(DT_NODELABEL(ipc0));
+
+	ret = ipc_service_open_instance(ipc0_instance);
+	if ((ret < 0) && (ret != -EALREADY)) {
+		return ret;
+	}
+
+	ret = ipc_service_register_endpoint(ipc0_instance, &ep, &ep_cfg);
+	if (ret < 0) {
+		return ret;
+	}
+
+	/* Wait for endpoint to be bound */
+	while (bound_sem != 0) {
+	};
+
+	return 0;
+}
diff --git a/applications/sdp/gpio/src/nrfe_mbox.c b/applications/sdp/gpio/src/nrfe_mbox.c
new file mode 100644
index 000000000000..c0573b47a855
--- /dev/null
+++ b/applications/sdp/gpio/src/nrfe_mbox.c
@@ -0,0 +1,93 @@
+/*
+ * Copyright (c) 2024 Nordic Semiconductor ASA
+ *
+ * SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+ */
+
+#include "../include/main.h"
+#include <zephyr/drivers/mbox.h>
+
+static const struct mbox_dt_spec rx_channel = MBOX_DT_SPEC_GET(DT_PATH(mbox_consumer), rx);
+
+/**
+ * @brief Callback function for when a message is received from the mailbox
+ * @param instance Pointer to the mailbox device instance
+ * @param channel Unused, but required by the mailbox API
+ * @param user_data Pointer to the received message
+ * @param msg_data Unused, but required by the mailbox API
+ *
+ * This function is called when a message is received from the mailbox.
+ * It is responsible for handling the received data and logging any errors.
+ */
+static void mbox_callback(const struct device *instance, uint32_t channel, void *user_data,
+			  struct mbox_msg *msg_data)
+{
+	/* Unused parameters */
+	(void)msg_data;
+
+	/* Check for invalid arguments */
+	if (user_data == NULL) {
+		return;
+	}
+
+	nrfe_gpio_mbox_data_t *rx_data = (nrfe_gpio_mbox_data_t *)user_data;
+
+	/* Try and get lock for the shared data structure */
+	if (atomic_flag_test_and_set(&rx_data->lock.locked)) {
+		/* Return in case lock is not acquired (used by other core)*/
+		return;
+	}
+
+	nrfe_gpio_data_packet_t *packet = (nrfe_gpio_data_packet_t *)&rx_data->data;
+
+	process_packet(packet);
+
+	/* Clear shared_data.buffer_size (there is no more data available)
+	 * This is necessary so that the other core knows that the data has been read
+	 */
+	rx_data->lock.data_size = 0;
+
+	/* We are finished with the shared data structure, so we can release the lock */
+	atomic_flag_clear(&rx_data->lock.locked);
+}
+
+/**
+ * @brief Initialize the mailbox driver.
+ *
+ * This function sets up the mailbox receive channel with the callback
+ * function specified in the DT node.
+ *
+ * @return 0 on success, negative error code on failure.
+ */
+static int mbox_init(void *shared_data)
+{
+	int ret;
+
+	/* Register the callback function for the mailbox receive channel */
+	ret = mbox_register_callback_dt(&rx_channel, mbox_callback, shared_data);
+	if (ret < 0) {
+		return ret;
+	}
+
+	/* Enable the mailbox receive channel */
+	return mbox_set_enabled_dt(&rx_channel, true);
+}
+
+int backend_init(void)
+{
+	int ret = 0;
+
+	static nrfe_gpio_mbox_data_t *rx_data =
+		(nrfe_gpio_mbox_data_t *)((uint8_t *)(DT_REG_ADDR(DT_NODELABEL(sram_rx))));
+
+	ret = mbox_init((void *)rx_data);
+	if (ret < 0) {
+		return ret;
+	}
+
+	/* clear the buffer locks and their size holders */
+	atomic_flag_clear(&rx_data->lock.locked);
+	rx_data->lock.data_size = 0;
+
+	return 0;
+}
diff --git a/applications/sw_io_devices/gpio/sysbuild.conf b/applications/sdp/gpio/sysbuild.conf
similarity index 100%
rename from applications/sw_io_devices/gpio/sysbuild.conf
rename to applications/sdp/gpio/sysbuild.conf
diff --git a/applications/sw_io_devices/gpio/boards/nrf54l15pdk_nrf54l15_cpuflpr.conf b/applications/sw_io_devices/gpio/boards/nrf54l15pdk_nrf54l15_cpuflpr.conf
deleted file mode 100644
index 4d4345cb7004..000000000000
--- a/applications/sw_io_devices/gpio/boards/nrf54l15pdk_nrf54l15_cpuflpr.conf
+++ /dev/null
@@ -1,44 +0,0 @@
-# Single-threaded
-CONFIG_MULTITHREADING=n
-CONFIG_KERNEL_MEM_POOL=n
-CONFIG_LOG=n
-
-# Drivers and peripherals
-CONFIG_I2C=n
-CONFIG_WATCHDOG=n
-CONFIG_GPIO=n
-CONFIG_PINCTRL=n
-CONFIG_SPI=n
-CONFIG_SERIAL=n
-CONFIG_FLASH=n
-
-# Power management
-CONFIG_PM=n
-
-# Interrupts
-CONFIG_DYNAMIC_INTERRUPTS=n
-CONFIG_IRQ_OFFLOAD=n
-
-# Memory protection
-CONFIG_THREAD_STACK_INFO=n
-CONFIG_THREAD_CUSTOM_DATA=n
-CONFIG_FPU=n
-
-# Boot
-CONFIG_BOOT_BANNER=n
-
-# Console
-CONFIG_CONSOLE=n
-CONFIG_UART_CONSOLE=n
-CONFIG_STDOUT_CONSOLE=n
-CONFIG_PRINTK=n
-CONFIG_EARLY_CONSOLE=n
-
-# Build
-CONFIG_SIZE_OPTIMIZATIONS=y
-
-# No timer support in the kernel
-CONFIG_SYS_CLOCK_EXISTS=n
-
-CONFIG_OUTPUT_DISASSEMBLY=y
-CONFIG_COMMON_LIBC_MALLOC=n
diff --git a/applications/sw_io_devices/gpio/boards/nrf54l15pdk_nrf54l15_cpuflpr.overlay b/applications/sw_io_devices/gpio/boards/nrf54l15pdk_nrf54l15_cpuflpr.overlay
deleted file mode 100644
index 527705970859..000000000000
--- a/applications/sw_io_devices/gpio/boards/nrf54l15pdk_nrf54l15_cpuflpr.overlay
+++ /dev/null
@@ -1,77 +0,0 @@
-/*
- * Copyright (c) 2024 Nordic Semiconductor ASA
- *
- * SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
- */
-
-/ {
-	soc {
-		reserved-memory {
-			#address-cells = <1>;
-			#size-cells = <1>;
-
-			sram_tx: memory@20018000 {
-				reg = <0x20018000 0x0800>;
-			};
-
-			sram_rx: memory@20020000 {
-				reg = <0x20020000 0x0800>;
-			};
-		};
-	};
-
-	ipc {
-		ipc0: ipc0 {
-			compatible = "zephyr,ipc-icmsg";
-			tx-region = <&sram_tx>;
-			rx-region = <&sram_rx>;
-			mboxes = <&cpuflpr_vevif_rx 16>, <&cpuflpr_vevif_tx 15>;
-			mbox-names = "rx", "tx";
-			status = "okay";
-		};
-	};
-};
-
-&cpuflpr_vevif_rx {
-	status = "okay";
-};
-
-&cpuflpr_vevif_tx {
-	status = "okay";
-};
-
-&gpio0 {
-	status = "disabled";
-};
-
-&gpio1 {
-	status = "disabled";
-};
-
-&gpio2 {
-	status = "disabled";
-};
-
-&gpiote20 {
-	status = "disabled";
-};
-
-&gpiote30 {
-	status = "disabled";
-};
-
-&grtc {
-	status = "disabled";
-};
-
-&uart20 {
-	status = "disabled";
-};
-
-&uart30 {
-	status = "disabled";
-};
-
-&pwm20 {
-	status = "disabled";
-};
diff --git a/applications/sw_io_devices/gpio/prj.conf b/applications/sw_io_devices/gpio/prj.conf
deleted file mode 100644
index 530e6ab86604..000000000000
--- a/applications/sw_io_devices/gpio/prj.conf
+++ /dev/null
@@ -1,3 +0,0 @@
-CONFIG_IPC_SERVICE=y
-CONFIG_IPC_SERVICE_BACKEND_ICMSG=y
-CONFIG_MBOX=y
diff --git a/applications/sw_io_devices/gpio/sample.yaml b/applications/sw_io_devices/gpio/sample.yaml
deleted file mode 100644
index e4a8a7cd00e1..000000000000
--- a/applications/sw_io_devices/gpio/sample.yaml
+++ /dev/null
@@ -1,13 +0,0 @@
-sample:
-  name: eGPIO application
-  description: SW-defined GPIO application
-common:
-  integration_platforms:
-    - nrf54l15dk/nrf54l15/cpuflpr
-    - nrf54l15pdk/nrf54l15/cpuflpr
-tests:
-  applications.sw_io_devices.egpio:
-    sysbuild: true
-    build_only: true
-    platform_allow: nrf54l15dk/nrf54l15/cpuflpr nrf54l15pdk/nrf54l15/cpuflpr
-    tags: ci_build sysbuild
diff --git a/cmake/sysbuild/sdp.cmake b/cmake/sysbuild/sdp.cmake
new file mode 100644
index 000000000000..d935a3887051
--- /dev/null
+++ b/cmake/sysbuild/sdp.cmake
@@ -0,0 +1,37 @@
+# Copyright (c) 2024 Nordic Semiconductor
+#
+# SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+
+# Update eGPIO images KConfig based on SDP configuration.
+#
+# Usage:
+#   egpio_update_kconfig()
+#
+function(egpio_update_kconfig)
+  if(SB_CONFIG_EGPIO_BACKEND_MBOX)
+    foreach(image ${PRE_CMAKE_IMAGES})
+      set_config_bool(${image} CONFIG_GPIO_NRFE_EGPIO_BACKEND_MBOX y)
+    endforeach()
+    if(DEFINED SB_CONFIG_SOC_NRF54L15)
+      sysbuild_cache_set(VAR flpr_egpio_EXTRA_DTC_OVERLAY_FILE APPEND REMOVE_DUPLICATES "./boards/nrf54l15dk_nrf54l15_cpuflpr_mbox.overlay")
+    endif()
+    sysbuild_cache_set(VAR ${DEFAULT_IMAGE}_SNIPPET APPEND REMOVE_DUPLICATES "emulated-gpio-mbox")
+    message(STATUS "eGPIO: Using MBOX backend")
+  elseif(SB_CONFIG_EGPIO_BACKEND_ICMSG)
+    foreach(image ${PRE_CMAKE_IMAGES})
+      set_config_bool(${image} CONFIG_GPIO_NRFE_EGPIO_BACKEND_ICMSG y)
+    endforeach()
+    set_config_bool(flpr_egpio CONFIG_IPC_SERVICE y)
+    set_config_bool(flpr_egpio CONFIG_IPC_SERVICE_BACKEND_ICMSG y)
+    if(DEFINED SB_CONFIG_SOC_NRF54L15)
+      sysbuild_cache_set(VAR flpr_egpio_EXTRA_DTC_OVERLAY_FILE APPEND REMOVE_DUPLICATES "./boards/nrf54l15dk_nrf54l15_cpuflpr_icmsg.overlay")
+    endif()
+    sysbuild_cache_set(VAR ${DEFAULT_IMAGE}_SNIPPET APPEND REMOVE_DUPLICATES "emulated-gpio-icmsg")
+    message(STATUS "eGPIO: Using ICMSG backend")
+  endif()
+endfunction()
+
+# If eGPIO FLPR application is enabled, update Kconfigs
+if(SB_CONFIG_EGPIO_FLPR_APPLICATION)
+  egpio_update_kconfig()
+endif()
diff --git a/drivers/gpio/CMakeLists.txt b/drivers/gpio/CMakeLists.txt
index 8a288bc46522..3f234f723fc8 100644
--- a/drivers/gpio/CMakeLists.txt
+++ b/drivers/gpio/CMakeLists.txt
@@ -5,4 +5,13 @@
 #
 
 zephyr_library_amend()
-zephyr_library_sources_ifdef(CONFIG_GPIO_NRFE gpio_nrfe.c)
+
+if(CONFIG_GPIO_NRFE)
+  if(CONFIG_GPIO_NRFE_EGPIO_BACKEND_ICMSG)
+    zephyr_library_sources(gpio_nrfe_icmsg.c)
+  elseif(CONFIG_GPIO_NRFE_EGPIO_BACKEND_MBOX)
+    zephyr_library_sources(gpio_nrfe_mbox.c)
+  endif()
+
+  zephyr_library_sources(gpio_nrfe.c)
+endif()
diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig
index 52aee39fa231..8c2452d9e5c4 100644
--- a/drivers/gpio/Kconfig
+++ b/drivers/gpio/Kconfig
@@ -18,3 +18,23 @@ config GPIO_NRFE_INIT_PRIORITY
 	  eGPIO driver device initialization priority.
 	  eGPIO initialization depends on IPC initialization which is done at the same init level and
 	  has init priority equal to 46.
+
+choice GPIO_NRFE_EGPIO_BACKEND
+	prompt "eGPIO driver backend type"
+	default GPIO_NRFE_EGPIO_BACKEND_ICMSG
+	help
+	  Select the backend type for the eGPIO driver and application.
+
+config GPIO_NRFE_EGPIO_BACKEND_MBOX
+	bool "MBOX"
+	help
+	  Use MBOX backend driver for eGPIO.
+	  The MBOX version is more resource-efficient than the ICMSG backend,
+	  but needs to have a shared structure defined as a communication channel.
+
+config GPIO_NRFE_EGPIO_BACKEND_ICMSG
+	bool "ICMSG"
+	help
+	  Use ICMSG backend driver for eGPIO.
+
+endchoice
diff --git a/drivers/gpio/gpio_nrfe.c b/drivers/gpio/gpio_nrfe.c
index 0453264a42a4..fd443b5ca7d0 100644
--- a/drivers/gpio/gpio_nrfe.c
+++ b/drivers/gpio/gpio_nrfe.c
@@ -6,29 +6,10 @@
 
 #define DT_DRV_COMPAT nordic_nrf_egpio
 
-#include <drivers/gpio/nrfe_gpio.h>
 #include <zephyr/drivers/gpio.h>
 #include <zephyr/drivers/gpio/gpio_utils.h>
 
-#include <zephyr/device.h>
-
-#include <zephyr/ipc/ipc_service.h>
-
-K_SEM_DEFINE(bound_sem, 0, 1);
-
-static void ep_bound(void *priv)
-{
-	k_sem_give(&bound_sem);
-}
-
-static struct ipc_ept_cfg ep_cfg = {
-	.cb = {
-			.bound = ep_bound,
-			.received = NULL,
-		},
-};
-
-static struct ipc_ept ep;
+#include "gpio_nrfe.h"
 
 struct gpio_nrfe_data {
 	/* gpio_driver_data needs to be first */
@@ -46,16 +27,6 @@ static inline const struct gpio_nrfe_cfg *get_port_cfg(const struct device *port
 	return port->config;
 }
 
-static int gpio_send(nrfe_gpio_data_packet_t *msg)
-{
-	if (ipc_service_send(&ep, (void *)(&msg), sizeof(nrfe_gpio_data_packet_t))
-		== sizeof(nrfe_gpio_data_packet_t)) {
-		return 0;
-	} else {
-		return -EIO;
-	}
-}
-
 static int gpio_nrfe_pin_configure(const struct device *port, gpio_pin_t pin, gpio_flags_t flags)
 {
 	nrfe_gpio_data_packet_t msg = {.opcode = NRFE_GPIO_PIN_CONFIGURE,
@@ -112,25 +83,6 @@ static int gpio_nrfe_port_toggle_bits(const struct device *port, gpio_port_pins_
 	return gpio_send(&msg);
 }
 
-static int gpio_nrfe_init(const struct device *port)
-{
-	const struct device *ipc0_instance = DEVICE_DT_GET(DT_NODELABEL(ipc0));
-	int ret = ipc_service_open_instance(ipc0_instance);
-
-	if ((ret < 0) && (ret != -EALREADY)) {
-		return ret;
-	}
-
-	ret = ipc_service_register_endpoint(ipc0_instance, &ep, &ep_cfg);
-	if (ret < 0) {
-		return ret;
-	}
-
-	k_sem_take(&bound_sem, K_FOREVER);
-
-	return 0;
-}
-
 static const struct gpio_driver_api gpio_nrfe_drv_api_funcs = {
 	.pin_configure = gpio_nrfe_pin_configure,
 	.port_set_masked_raw = gpio_nrfe_port_set_masked_raw,
diff --git a/drivers/gpio/gpio_nrfe.h b/drivers/gpio/gpio_nrfe.h
new file mode 100644
index 000000000000..0a797e429559
--- /dev/null
+++ b/drivers/gpio/gpio_nrfe.h
@@ -0,0 +1,20 @@
+/*
+ * Copyright (c) 2024, Nordic Semiconductor ASA
+ *
+ * SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+ */
+
+#ifndef GPIO_NRFE_H__
+#define GPIO_NRFE_H__
+
+#include <drivers/gpio/nrfe_gpio.h>
+#include <zephyr/device.h>
+
+#if !defined(CONFIG_GPIO_NRFE_EGPIO_BACKEND_ICMSG) && !defined(CONFIG_GPIO_NRFE_EGPIO_BACKEND_MBOX)
+#error "Configure communication backend type"
+#endif
+
+int gpio_send(nrfe_gpio_data_packet_t *msg);
+int gpio_nrfe_init(const struct device *port);
+
+#endif /* GPIO_NRFE_H__ */
diff --git a/drivers/gpio/gpio_nrfe_icmsg.c b/drivers/gpio/gpio_nrfe_icmsg.c
new file mode 100644
index 000000000000..b3e2577e7ff1
--- /dev/null
+++ b/drivers/gpio/gpio_nrfe_icmsg.c
@@ -0,0 +1,69 @@
+/*
+ * Copyright (c) 2024, Nordic Semiconductor ASA
+ *
+ * SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+ */
+
+#include <zephyr/drivers/gpio.h>
+#include <zephyr/drivers/gpio/gpio_utils.h>
+#include <zephyr/ipc/ipc_service.h>
+
+#include "gpio_nrfe.h"
+
+#if defined(CONFIG_MULTITHREADING)
+K_SEM_DEFINE(bound_sem, 0, 1);
+#else
+static volatile uint32_t bound_sem = 1;
+#endif
+
+static void ep_bound(void *priv)
+{
+#if defined(CONFIG_MULTITHREADING)
+	k_sem_give(&bound_sem);
+#else
+	bound_sem = 0;
+#endif
+}
+
+static struct ipc_ept_cfg ep_cfg = {
+	.cb = {
+		.bound = ep_bound,
+		.received = NULL,
+	},
+};
+
+static struct ipc_ept ep;
+
+int gpio_send(nrfe_gpio_data_packet_t *msg)
+{
+	if (ipc_service_send(&ep, (void *)msg, sizeof(nrfe_gpio_data_packet_t)) ==
+	    sizeof(nrfe_gpio_data_packet_t)) {
+		return 0;
+	} else {
+		return -EIO;
+	}
+}
+
+int gpio_nrfe_init(const struct device *port)
+{
+	const struct device *ipc0_instance = DEVICE_DT_GET(DT_NODELABEL(ipc0));
+	int ret = ipc_service_open_instance(ipc0_instance);
+
+	if ((ret < 0) && (ret != -EALREADY)) {
+		return ret;
+	}
+
+	ret = ipc_service_register_endpoint(ipc0_instance, &ep, &ep_cfg);
+	if (ret < 0) {
+		return ret;
+	}
+
+#if defined(CONFIG_MULTITHREADING)
+	k_sem_take(&bound_sem, K_FOREVER);
+#else
+	while (bound_sem != 0) {
+	}
+#endif
+
+	return 0;
+}
diff --git a/drivers/gpio/gpio_nrfe_mbox.c b/drivers/gpio/gpio_nrfe_mbox.c
new file mode 100644
index 000000000000..88394c990c6d
--- /dev/null
+++ b/drivers/gpio/gpio_nrfe_mbox.c
@@ -0,0 +1,41 @@
+/*
+ * Copyright (c) 2024, Nordic Semiconductor ASA
+ *
+ * SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+ */
+
+#include <zephyr/drivers/gpio.h>
+#include <zephyr/drivers/gpio/gpio_utils.h>
+#include <zephyr/drivers/mbox.h>
+#include <zephyr/sys/printk.h>
+
+#include "gpio_nrfe.h"
+
+static const struct mbox_dt_spec tx_channel = MBOX_DT_SPEC_GET(DT_PATH(mbox_consumer), tx);
+static nrfe_gpio_mbox_data_t *tx_data =
+	(nrfe_gpio_mbox_data_t *)((uint8_t *)(DT_REG_ADDR(DT_NODELABEL(sram_tx))));
+#define MAX_MSG_SIZE (DT_REG_SIZE(DT_NODELABEL(sram_tx)))
+
+int gpio_send(nrfe_gpio_data_packet_t *msg)
+{
+	printk("Sending opcode: %d, pin %d, port %d, flag: %d\n", msg->opcode, msg->pin, msg->port,
+	       msg->flags);
+	/* Try and get lock */
+	if (atomic_flag_test_and_set(&tx_data->lock.locked)) {
+		/* Return -1 in case lock is not acquired (used by other core)*/
+		return -1;
+	}
+
+	memcpy((void *)&tx_data->data, (void *)msg, sizeof(nrfe_gpio_data_packet_t));
+	tx_data->lock.data_size = sizeof(nrfe_gpio_data_packet_t);
+
+	/* Release lock */
+	atomic_flag_clear(&tx_data->lock.locked);
+
+	return mbox_send_dt(&tx_channel, NULL);
+}
+
+int gpio_nrfe_init(const struct device *port)
+{
+	return 0;
+}
diff --git a/include/drivers/gpio/nrfe_gpio.h b/include/drivers/gpio/nrfe_gpio.h
index 18c3b2a0bef9..0aa91c8887cc 100644
--- a/include/drivers/gpio/nrfe_gpio.h
+++ b/include/drivers/gpio/nrfe_gpio.h
@@ -8,6 +8,7 @@
 #define NRFE_GPIO_H
 
 #include <drivers/nrfx_common.h>
+#include <sdp/nrfe_common.h>
 
 #ifdef __cplusplus
 extern "C" {
@@ -32,6 +33,11 @@ typedef struct __packed {
 			 */
 } nrfe_gpio_data_packet_t;
 
+typedef struct __packed {
+	nrfe_shared_data_lock_t lock;
+	nrfe_gpio_data_packet_t data;
+} nrfe_gpio_mbox_data_t;
+
 #ifdef __cplusplus
 }
 #endif
diff --git a/include/sdp/nrfe_common.h b/include/sdp/nrfe_common.h
new file mode 100644
index 000000000000..558ca7f6c166
--- /dev/null
+++ b/include/sdp/nrfe_common.h
@@ -0,0 +1,25 @@
+/*
+ * Copyright (c) 2024 Nordic Semiconductor ASA
+ *
+ * SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+ */
+
+#ifndef NRFE_COMMON_H__
+#define NRFE_COMMON_H__
+
+#include <stdatomic.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef struct __packed {
+	atomic_bool locked;
+	uint32_t data_size;
+} nrfe_shared_data_lock_t;
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* NRFE_COMMON_H__ */
diff --git a/scripts/twister/alt/zephyr/samples/basic/blinky/sample.yaml b/scripts/twister/alt/zephyr/samples/basic/blinky/sample.yaml
new file mode 100644
index 000000000000..69273d82887f
--- /dev/null
+++ b/scripts/twister/alt/zephyr/samples/basic/blinky/sample.yaml
@@ -0,0 +1,51 @@
+sample:
+  name: Blinky Sample
+common:
+  tags:
+    - LED
+    - gpio
+  depends_on: gpio
+tests:
+  sample.basic.blinky:
+    filter: dt_enabled_alias_with_parent_compat("led0", "gpio-leds")
+    harness: led
+    integration_platforms:
+      - frdm_k64f
+
+  sample.basic.blinky.egpio_icmsg:
+    sysbuild: true
+    platform_allow:
+      - nrf54l15dk/nrf54l15/cpuapp
+    integration_platforms:
+      - nrf54l15dk/nrf54l15/cpuapp
+    extra_args: SB_CONFIG_SDP=y
+                SB_CONFIG_EGPIO_FLPR_APPLICATION=y
+                SB_CONFIG_EGPIO_BACKEND_ICMSG=y
+                SB_CONFIG_PARTITION_MANAGER=n
+                EXTRA_DTC_OVERLAY_FILE="./boards/nrf54l15dk_nrf54l15_cpuapp_egpio.overlay"
+    harness: console
+    harness_config:
+      type: multi_line
+      ordered: true
+      regex:
+        - "LED state: ON"
+        - "LED state: OFF"
+
+  sample.basic.blinky.egpio_mbox:
+    sysbuild: true
+    platform_allow:
+      - nrf54l15dk/nrf54l15/cpuapp
+    integration_platforms:
+      - nrf54l15dk/nrf54l15/cpuapp
+    extra_args: SB_CONFIG_SDP=y
+                SB_CONFIG_EGPIO_FLPR_APPLICATION=y
+                SB_CONFIG_EGPIO_BACKEND_MBOX=y
+                SB_CONFIG_PARTITION_MANAGER=n
+                EXTRA_DTC_OVERLAY_FILE="./boards/nrf54l15dk_nrf54l15_cpuapp_egpio.overlay"
+    harness: console
+    harness_config:
+      type: multi_line
+      ordered: true
+      regex:
+        - "LED state: ON"
+        - "LED state: OFF"
diff --git a/snippets/emulated-gpio/emulated-gpio.overlay b/snippets/emulated-gpio/emulated-gpio.overlay
deleted file mode 100644
index ebcb50a19fae..000000000000
--- a/snippets/emulated-gpio/emulated-gpio.overlay
+++ /dev/null
@@ -1,17 +0,0 @@
-/* Copyright (c) 2024 Nordic Semiconductor ASA
- *
- * SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
- */
-
-&cpuflpr_vpr {
-    status = "okay";
-
-    egpio: gpio {
-        compatible = "nordic,nrf-egpio";
-        gpio-controller;
-        #gpio-cells = <0x2>;
-        ngpios = <0x10>;
-        status = "disabled";
-        port = <0x2>;
-    };
-};
diff --git a/snippets/emulated-gpio/boards/nrf54l15dk_nrf54l15_cpuapp.overlay b/snippets/emulated-gpio/icmsg/boards/nrf54l15dk_nrf54l15_cpuapp.overlay
similarity index 91%
rename from snippets/emulated-gpio/boards/nrf54l15dk_nrf54l15_cpuapp.overlay
rename to snippets/emulated-gpio/icmsg/boards/nrf54l15dk_nrf54l15_cpuapp.overlay
index 62f8e924a9be..e598942eee45 100644
--- a/snippets/emulated-gpio/boards/nrf54l15dk_nrf54l15_cpuapp.overlay
+++ b/snippets/emulated-gpio/icmsg/boards/nrf54l15dk_nrf54l15_cpuapp.overlay
@@ -39,7 +39,7 @@
 			compatible = "zephyr,ipc-icmsg";
 			tx-region = <&sram_tx>;
 			rx-region = <&sram_rx>;
-			mboxes = <&cpuapp_vevif_rx 15>, <&cpuapp_vevif_tx 16>;
+			mboxes = <&cpuapp_vevif_rx 20>, <&cpuapp_vevif_tx 21>;
 			mbox-names = "rx", "tx";
 			status = "okay";
 		};
@@ -68,10 +68,6 @@
 	status = "okay";
 };
 
-&led0 {
-	gpios = <&egpio 7 GPIO_ACTIVE_HIGH>;
-};
-
 &egpio {
 	status = "okay";
 };
diff --git a/snippets/emulated-gpio/icmsg/emulated-gpio.overlay b/snippets/emulated-gpio/icmsg/emulated-gpio.overlay
new file mode 100644
index 000000000000..59e7421ed232
--- /dev/null
+++ b/snippets/emulated-gpio/icmsg/emulated-gpio.overlay
@@ -0,0 +1,17 @@
+/* Copyright (c) 2024 Nordic Semiconductor ASA
+ *
+ * SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+ */
+
+&cpuflpr_vpr {
+	status = "okay";
+
+	egpio: gpio {
+		compatible = "nordic,nrf-egpio";
+		gpio-controller;
+		#gpio-cells = <0x2>;
+		ngpios = <0x10>;
+		status = "disabled";
+		port = <0x2>;
+	};
+};
diff --git a/snippets/emulated-gpio/snippet.yml b/snippets/emulated-gpio/icmsg/snippet.yml
similarity index 67%
rename from snippets/emulated-gpio/snippet.yml
rename to snippets/emulated-gpio/icmsg/snippet.yml
index 58a32d671c5a..8a8051c2f7f1 100644
--- a/snippets/emulated-gpio/snippet.yml
+++ b/snippets/emulated-gpio/icmsg/snippet.yml
@@ -4,14 +4,11 @@
 # SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
 #
 
-name: emulated-gpio
+name: emulated-gpio-icmsg
 append:
   EXTRA_DTC_OVERLAY_FILE: emulated-gpio.overlay
 
 boards:
-  nrf54l15pdk/nrf54l15/cpuapp:
-    append:
-      EXTRA_DTC_OVERLAY_FILE: boards/nrf54l15pdk_nrf54l15_cpuapp.overlay
   nrf54l15dk/nrf54l15/cpuapp:
     append:
       EXTRA_DTC_OVERLAY_FILE: boards/nrf54l15dk_nrf54l15_cpuapp.overlay
diff --git a/snippets/emulated-gpio/boards/nrf54l15pdk_nrf54l15_cpuapp.overlay b/snippets/emulated-gpio/mbox/boards/nrf54l15dk_nrf54l15_cpuapp.overlay
similarity index 78%
rename from snippets/emulated-gpio/boards/nrf54l15pdk_nrf54l15_cpuapp.overlay
rename to snippets/emulated-gpio/mbox/boards/nrf54l15dk_nrf54l15_cpuapp.overlay
index 62f8e924a9be..887bc419206c 100644
--- a/snippets/emulated-gpio/boards/nrf54l15pdk_nrf54l15_cpuapp.overlay
+++ b/snippets/emulated-gpio/mbox/boards/nrf54l15dk_nrf54l15_cpuapp.overlay
@@ -34,15 +34,10 @@
 		};
 	};
 
-	ipc {
-		ipc0: ipc0 {
-			compatible = "zephyr,ipc-icmsg";
-			tx-region = <&sram_tx>;
-			rx-region = <&sram_rx>;
-			mboxes = <&cpuapp_vevif_rx 15>, <&cpuapp_vevif_tx 16>;
-			mbox-names = "rx", "tx";
-			status = "okay";
-		};
+	mbox_consumer {
+		compatible = "vnd,mbox-consumer";
+		mboxes = <&cpuapp_vevif_rx 20>, <&cpuapp_vevif_tx 21>;
+		mbox-names = "rx", "tx";
 	};
 };
 
@@ -68,10 +63,6 @@
 	status = "okay";
 };
 
-&led0 {
-	gpios = <&egpio 7 GPIO_ACTIVE_HIGH>;
-};
-
 &egpio {
 	status = "okay";
 };
diff --git a/snippets/emulated-gpio/mbox/emulated-gpio.overlay b/snippets/emulated-gpio/mbox/emulated-gpio.overlay
new file mode 100644
index 000000000000..59e7421ed232
--- /dev/null
+++ b/snippets/emulated-gpio/mbox/emulated-gpio.overlay
@@ -0,0 +1,17 @@
+/* Copyright (c) 2024 Nordic Semiconductor ASA
+ *
+ * SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+ */
+
+&cpuflpr_vpr {
+	status = "okay";
+
+	egpio: gpio {
+		compatible = "nordic,nrf-egpio";
+		gpio-controller;
+		#gpio-cells = <0x2>;
+		ngpios = <0x10>;
+		status = "disabled";
+		port = <0x2>;
+	};
+};
diff --git a/snippets/emulated-gpio/mbox/snippet.yml b/snippets/emulated-gpio/mbox/snippet.yml
new file mode 100644
index 000000000000..9d5c418a9432
--- /dev/null
+++ b/snippets/emulated-gpio/mbox/snippet.yml
@@ -0,0 +1,14 @@
+#
+# Copyright (c) 2024 Nordic Semiconductor
+#
+# SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+#
+
+name: emulated-gpio-mbox
+append:
+  EXTRA_DTC_OVERLAY_FILE: emulated-gpio.overlay
+
+boards:
+  nrf54l15dk/nrf54l15/cpuapp:
+    append:
+      EXTRA_DTC_OVERLAY_FILE: boards/nrf54l15dk_nrf54l15_cpuapp.overlay
diff --git a/sysbuild/CMakeLists.txt b/sysbuild/CMakeLists.txt
index dcbf74ca446f..884ab20674b1 100644
--- a/sysbuild/CMakeLists.txt
+++ b/sysbuild/CMakeLists.txt
@@ -64,6 +64,10 @@ function(include_packaging)
   include(${ZEPHYR_NRF_MODULE_DIR}/subsys/bootloader/cmake/packaging.cmake)
 endfunction()
 
+function(include_sdp)
+  include(${ZEPHYR_NRF_MODULE_DIR}/cmake/sysbuild/sdp.cmake)
+endfunction()
+
 function(${SYSBUILD_CURRENT_MODULE_NAME}_pre_cmake)
   cmake_parse_arguments(PRE_CMAKE "" "" "IMAGES" ${ARGN})
   restore_ncs_vars()
@@ -463,6 +467,10 @@ function(${SYSBUILD_CURRENT_MODULE_NAME}_pre_cmake)
     set_config_bool(${DEFAULT_IMAGE} CONFIG_SUIT_MPI_APP_RECOVERY y)
     set_config_bool(${DEFAULT_IMAGE} CONFIG_SUIT_MPI_RAD_RECOVERY y)
   endif()
+
+  if(SB_CONFIG_SDP)
+    include_sdp()
+  endif()
 endfunction(${SYSBUILD_CURRENT_MODULE_NAME}_pre_cmake)
 
 # Sysbuild function hooks used by nRF Connect SDK
@@ -608,5 +616,6 @@ include(${CMAKE_CURRENT_LIST_DIR}/netcore.cmake)
 include(${CMAKE_CURRENT_LIST_DIR}/secureboot.cmake)
 include(${CMAKE_CURRENT_LIST_DIR}/mcuboot.cmake)
 include(${CMAKE_CURRENT_LIST_DIR}/suit.cmake)
+include(${CMAKE_CURRENT_LIST_DIR}/sdp.cmake)
 
 store_ncs_vars()
diff --git a/sysbuild/Kconfig.sdp b/sysbuild/Kconfig.sdp
new file mode 100644
index 000000000000..d963e18d2a08
--- /dev/null
+++ b/sysbuild/Kconfig.sdp
@@ -0,0 +1,42 @@
+# Copyright (c) 2024 Nordic Semiconductor
+#
+# SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+
+menu "SW defined peripherals"
+
+menuconfig SDP
+	bool "Software defined peripherals"
+
+if SDP
+
+config EGPIO_FLPR_APPLICATION
+	bool "Nordic eGPIO FLPR application"
+	help
+	  Include FLPR side eGPIO application in build.
+	  FLPR eGPIO application is an eGPIO driver built for an FLPR core that receives commands
+	  from the app core and controls the pin states based on them.
+
+choice EGPIO_BACKEND
+	prompt "eGPIO driver backend type"
+	depends on EGPIO_FLPR_APPLICATION
+	default EGPIO_BACKEND_ICMSG
+	help
+	  Select the backend type for the eGPIO driver and application.
+
+config EGPIO_BACKEND_MBOX
+	bool "MBOX backend for eGPIO"
+	help
+	  Use MBOX backend driver for eGPIO.
+	  The MBOX version is more resource-efficient than the ICMSG backend,
+	  but needs to have a shared structure defined as a communication channel.
+
+config EGPIO_BACKEND_ICMSG
+	bool "ICMSG backend for eGPIO"
+	help
+	  Use ICMSG backend driver for eGPIO.
+
+endchoice
+
+endif # SDP
+
+endmenu
diff --git a/sysbuild/Kconfig.sysbuild b/sysbuild/Kconfig.sysbuild
index d724d17a3ab7..2da4c5f113b7 100644
--- a/sysbuild/Kconfig.sysbuild
+++ b/sysbuild/Kconfig.sysbuild
@@ -79,3 +79,4 @@ rsource "Kconfig.zip"
 rsource "Kconfig.matter"
 rsource "Kconfig.wifi"
 rsource "Kconfig.suit"
+rsource "Kconfig.sdp"
diff --git a/sysbuild/sdp.cmake b/sysbuild/sdp.cmake
new file mode 100644
index 000000000000..d6098a2e5438
--- /dev/null
+++ b/sysbuild/sdp.cmake
@@ -0,0 +1,19 @@
+# Copyright (c) 2024 Nordic Semiconductor
+#
+# SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+
+# If it is enabled, include the eGPIO FLPR application in the build
+if(SB_CONFIG_EGPIO_FLPR_APPLICATION)
+  # Extract SoC name from related variables
+  string(REPLACE "/" ";" split_board_qualifiers "${BOARD_QUALIFIERS}")
+  list(GET split_board_qualifiers 1 target_soc)
+  set(board_target_flpr "${BOARD}/${target_soc}/cpuflpr")
+  set(target_soc)
+
+  ExternalZephyrProject_Add(
+    APPLICATION flpr_egpio
+    SOURCE_DIR ${ZEPHYR_NRF_MODULE_DIR}/applications/sdp/gpio
+    BOARD ${board_target_flpr}
+    BOARD_REVISION ${BOARD_REVISION}
+  )
+endif()
diff --git a/west.yml b/west.yml
index e7f01f29cbdb..13d9de288c88 100644
--- a/west.yml
+++ b/west.yml
@@ -72,7 +72,7 @@ manifest:
     # https://developer.nordicsemi.com/nRF_Connect_SDK/doc/latest/zephyr/guides/modules.html
     - name: zephyr
       repo-path: sdk-zephyr
-      revision: 5d10d27a0a978816153764e8f7024cbbc3fae197
+      revision: 8005d4e87b9bcba25f441a51f4f5d29b541022b9
       import:
         # In addition to the zephyr repository itself, NCS also
         # imports the contents of zephyr/west.yml at the above